Shelf unit or similar article



FIG. 1 is a front perspective view of a shelf unit or similar article showing my design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a plan view of FIG. 1;

FIG. 5 is an underside plan of FIG. 1;

FIG. 6 is a front perspective view showing a modified form of the shelf unit shown in FIG. 1;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a side view of FIG. 6;

FIG. 9 is a plan view of FIG. 6; and

FIG. 10 is an underside plan of FIG. 6. 

The ornamental design for a shelf unit or similar article, as shown. 